DjVuReader is described as 'is the most fully featured reader for DjVu files available on the Mac store'. There are six alternatives to DjVuReader for a variety of platforms, including Windows, Mac, Linux, Android and Windows S. The best alternative is Document Viewer, which is both free and Open Source. Other great apps like DjVuReader are WinDjView (Free, Open Source), DjVuLibre (Free, Open Source), DjView4 (Free, Open Source) and DjVu Viewer (Paid).
WinDjView is a fast, compact and powerful DjVu viewer for Windows with tabbed interface, continuous scrolling and advanced printing options. It uses the free DjVuLibre library to decode DjVu documents.
DjVu Viewer is an application that lets you view DjVu documents! Key features: - Support for viewing djvu documents. - Support contents. - Support for document navigation. - Support for the Page / Continuous mode display pages. - Support for printing.